22444244505021 has 8 divisors (see below), whose sum is σ = 29926354859424. Its totient is φ = 14962481910320.

The previous prime is 22444244505013. The next prime is 22444244505041. The reversal of 22444244505021 is 12050544244422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22444244505021 - 2³ = 22444244505013 is a prime.

It is a super-2 number, since 2×22444244505021² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22444244505041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86789295 + ... + 87047516.

It is an arithmetic number, because the mean of its divisors is an integer number (3740794357428).

Almost surely, 2^{22444244505021} is an apocalyptic number.

It is an amenable number.

22444244505021 is a deficient number, since it is larger than the sum of its proper divisors (7482110354403).

22444244505021 is a wasteful number, since it uses less digits than its factorization.

22444244505021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173879851.

The product of its (nonzero) digits is 409600, while the sum is 39.

Adding to 22444244505021 its reverse (12050544244422), we get a palindrome (34494788749443).

The spelling of 22444244505021 in words is "twenty-two trillion, four hundred forty-four billion, two hundred forty-four million, five hundred five thousand, twenty-one".